.PHONY: configure-build-[+module+] maybe-configure-build-[+module+]
maybe-configure-build-[+module+]:
configure-build-[+module+]: $(BUILD_SUBDIR)/[+module+]/Makefile
-@build_prefix@$(BUILD_SUBDIR)/[+module+]/Makefile: config.status
+$(BUILD_SUBDIR)/[+module+]/Makefile: config.status
@[ -d $(BUILD_SUBDIR)/[+module+] ] || mkdir $(BUILD_SUBDIR)/[+module+];\
r=`${PWD}`; export r; \
s=`cd $(srcdir); ${PWD}`; export s; \